Granted Patent
Utility
US 5,119,266 · App. 07/458,768
Electromagnetic interference filter protection circuit
Inventor:
Edward M. Petry
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Dec 29, 1989
Inventor
Edward M. Petry
Assignee (at issue)
AIL Systems, Inc., Subsidiary of Eaton Corp.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.